40020988

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{10433}}^1$

素因数の和:10581

約数の個数: 24

約数和(自身を含む): 80633952

約数和(自身を除く): 40612964

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 10433, 20866, 41732, 73031, 146062, 292124, 1429321, 2858642, 5717284, 10005247, 20010494, 40020988]

約数ペア:

[(1, 40020988), (2, 20010494), (4, 10005247), (7, 5717284), (14, 2858642), (28, 1429321), (137, 292124), (274, 146062), (548, 73031), (959, 41732), (1918, 20866), (3836, 10433)]